Claude Opus 4.1 scores 74.5% on the SWE-bench Verified benchmark, indicating major improvements in real-world programming, bug detection, and agent-like problem solving.

Anthropic has released Claude Opus 4.1, which is said to deliver better coding and agent performance with improved safety.

Anthropic says Claude Opus 4.1 improves software engineering accuracy to 74.5%. That compares to 62.3% with Claude Sonnet 3.7 ...

Anthropic launched Claude Opus 4.1 today, an upgraded version of its flagship AI model that achieves 74.5% accuracy on ...

Anthropic's Claude Opus 4.1 achieves 74.5% on coding benchmarks, leading the AI market, but faces risk as nearly half its $3.1B API revenue depends on just two customers.

More improvements will be rolled out in the coming weeks, the company said. The price for Opus 4.1 remains the same as that ...

Anthropic has released Claude Opus 4.1, a major upgrade to its flagship coding model, promising sharper reasoning, better ...

Explore Claude Opus 4.1, Anthropic’s groundbreaking new AI model with advanced coding, multilingual, and problem-solving capabilities. Opus AI ...

In May, Anthropic released Claude Opus 4, which the company dubbed its most powerful model yet and the best coding model in the world. Only three months later, Anthropic is upping the ante further by ...

Claude Opus 4.1 not with fireworks, but with unmistakable intent. It arrives just as OpenAI is expected to drop GPT-5 (a ...

Anthropic has released Claude Opus 4.1, a new version of its flagship AI model, with improvements in coding, reasoning, and ...

Developers can get a security review - with suggested vulnerability fixes - before their code is merged or deployed.